Number of (n+1) X (1+1) 0..2 arrays with each row and column divisible by 7, read as a base-3 number with top and left being the most significant digits.
A263366
Number of (n+1) X (1+1) 0..2 arrays with each row and column divisible by 7, read as a base-3 number with top and left being the most significant digits.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =5a(4) =10a(5) =19a(6) =37a(7) =73a(8) =146a(9) =293a(10) =586a(11) =1171a(12) =2341a(13) =4681a(14) =9362a(15) =18725a(16) =37450a(17) =74899a(18) =149797a(19) =299593a(20) =599186a(21) =1198373a(22) =2396746a(23) =4793491a(24) =9586981a(25) =19173961a(26) =38347922a(27) =76695845a(28) =153391690a(29) =306783379
External references
- oeis: A263366